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I applied via Naukri.com and was interviewed before Feb 2023. There was 1 interview round.
Provider is a state management solution for Flutter applications.
Provider is a package in Flutter that allows for the management of app state.
It is a recommended way to manage state in Flutter applications.
Provider uses the InheritedWidget to propagate changes down the widget tree.
It helps in reducing boilerplate code and simplifies the process of managing state.
Provider, Riverpod, Bloc are popular state management techniques in Flutter due to their simplicity and efficiency.
Provider: Easy to use, built-in with Flutter, good for small to medium-sized apps
Riverpod: Improves upon Provider, offers better performance and scalability
Bloc: Great for complex apps, separates business logic from UI, provides clear structure
Null safety is a feature in Flutter that helps prevent null pointer exceptions by making null values explicit.
Null safety helps catch null pointer exceptions at compile time rather than runtime.
It introduces new syntax like the 'late' keyword to indicate that a variable will be initialized before it's used.
Null safety also includes the '!' operator to assert that a value is not null.
Asynchronous programming is a programming paradigm that allows multiple tasks to be executed concurrently, improving performance and responsiveness.
Allows tasks to run concurrently without blocking the main thread
Improves performance and responsiveness by handling tasks in the background
Uses callbacks, promises, or async/await keywords to manage asynchronous operations
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I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.
Api calling in Flutter involves making HTTP requests to fetch data from a server.
Use packages like http or dio to make API calls in Flutter
Handle asynchronous operations using Future and async/await
Parse JSON data using json.decode() method
Implement error handling for network requests
Company ask me logical question
Flutter is a UI toolkit from Google for building natively compiled applications for mobile, web, and desktop from a single codebase.
Developed by Google
Uses Dart programming language
Allows for building cross-platform applications with a single codebase
Hot reload feature for quick development iterations
Company give me one UI and give 3 API and I make that UI and Retrieve API data
Identify the duplicate character in the string.
I applied via LinkedIn and was interviewed in Nov 2024. There was 1 interview round.
Coding a frontend UI from provided image. And creating a fucntional star rating system
Designing a Component API in React using Typescript involves defining props, state, and methods for the component.
Define the props interface to specify the expected input data for the component
Use typescript types to ensure type safety and prevent runtime errors
Define the state interface to manage the internal state of the component
Implement methods to handle user interactions and component logic
Document the component
Function to clear all timer ids at once
Create an array to store all timer ids
Iterate through the array and clear each timer id using clearTimeout() function
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